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Access violation with threads > 1 on Windows (highspy 1.13.1)

bug

MIP

Parallel

Status: Open.

#2885 In ERGO-Code/HiGHS;

· claudiabongiovanni opened on Mar 2, 2026

Build error on macOS

bug

Build

Status: Open.

#2884 In ERGO-Code/HiGHS;

· mocenigo opened on Mar 2, 2026

Inconsistent solver results when using infinite bounds & costs

Status: Open.

#2883 In ERGO-Code/HiGHS;

· Gbtank opened on Mar 2, 2026

Incorporate indicator constraints

code-quality

enhancementNew feature or requestNew feature or request

MIP

Status: Open.

#2882 In ERGO-Code/HiGHS;

· jajhall opened on Mar 2, 2026

Dual simplex clean-up after primal simplex may use fresh dual edge weights

code-quality

LP

Simplex

Status: Open.

#2877 In ERGO-Code/HiGHS;

· jajhall opened on Feb 27, 2026

A few crashes and correctness issues in HiGHS found by Flip

bug

Status: Open.

#2874 In ERGO-Code/HiGHS;

· zxt5 opened on Feb 26, 2026

MIP solver falsely reports kInfeasible on feasible models with wide coefficient ranges

bug

MIP Presolve

Status: Open.

#2872 In ERGO-Code/HiGHS;

· agcmoser opened on Feb 25, 2026

Large column bounds lead to MIP presolve and solve errors

bug

MIP

MIP Presolve

Status: Open.

#2866 In ERGO-Code/HiGHS;

· jajhall opened on Feb 21, 2026

cmake seems to search for libblas but actually needs libcblas which causes linking errors on archlinux with reference BLAS

bug

Build

Status: Open.

#2853 In ERGO-Code/HiGHS;

· tobiass-sdl opened on Feb 14, 2026

Rationalise difference tests in <code>TestMipSolver.cpp</code>

code-quality

Status: Open.

#2852 In ERGO-Code/HiGHS;

· jajhall opened on Feb 13, 2026

Possibly permute the variables and constraints of the model randomly

enhancementNew feature or requestNew feature or request

Status: Open.

#2845 In ERGO-Code/HiGHS;

· jajhall opened on Feb 11, 2026

Possibly ensure that matrix and Hessian indices are increasing

enhancementNew feature or requestNew feature or request

Status: Open.

#2844 In ERGO-Code/HiGHS;

· jajhall opened on Feb 11, 2026